body {
    overflow-x: hidden;
}

.navitems ul li {
    float: left;
    position: relative;
    left: 480px;
}

.advertising {
    position: absolute;
    left: 40px;
}

.service {
    position: absolute;
    top: 225px;
    left: 1054px;
    width: 515px;
    display: flex;
    justify-content: space-between;
    border-color: #666;
    border-width: 2px;
}

.service ul img {
    border-color: #666;
    border-right: solid #666;
    border-width: 2px;
    cursor: pointer;
}

.service-self {
    position: absolute;
    top: 200px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    width: 99%;
}

.service-self b {
    font-size: 30px;
    color: rgba(0, 0, 0, 0.67);
    margin-bottom: 20px;
}

.service-self a {
    position: relative;
    width: 160px;
    height: 80px;
    margin-bottom: 20px;
    background-color: #A9CCE3;
    border-radius: 10px;
    padding: 10px;
    font-size: 30px;
    align-items: center;
    text-decoration: none;
    color: white;
}

.service-self a:hover {
    background-color: #7FB3D5;
}

.service-self a span {
    z-index: 1;
}

.service-self > b {
    flex-basis: 100%;
}

.service-self a:nth-child(2),
.service-self a:nth-child(3) {
    margin-top: 0;
    flex-basis: calc(50% - 20px);
}

.service-self a:nth-child(4),
.service-self a:nth-child(5) {
    margin-top: 5px;
    flex-basis: calc(50% - 20px);
}

.service-self a:last-child {
    margin-top: 5px;
    width: calc(50% - 20px);
}